Direct observation of the in-plane crack formation of O3-Na<sub>0.8</sub>Mg<sub>0.2</sub>Fe<sub>0.4</sub>Mn<sub>0.4</sub>O<sub>2</sub> due to oxygen gas evolution for Na-ion batteries
Suyeon Lee, Sung Wook Doo, Min Soo Jung, Shin Gwon Lim, Kanghyeon Kim, Kyu Tae Lee
Abstract
The crack formation mechanism of O3-type Na<sub>0.8</sub>Mg<sub>0.2</sub>Fe<sub>0.4</sub>Mn<sub>0.4</sub>O<sub>2</sub> due to air-exposure is directly evidenced using <italic>in situ</italic> mass spectrometry and various atomic-scale analyses.
Topics & Concepts
ManganeseAnalytical Chemistry (journal)ChemistryMaterials scienceCrystallographyMineralogyMetallurgyChromatographyAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research